From owner-freebsd-questions  Wed Feb 12  4:21: 9 2003
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From: "Denis N. Peplin" <info@volginfo.ru>
To: freebsd-questions@freebsd.org
Subject: Re: can't peform blankspace escape - sh command substitution bug or feature?
Date: Wed, 12 Feb 2003 15:27:14 +0300
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On Wednesday 12 February 2003 15:06, Stijn Hoop wrote:
> On Wed, Feb 12, 2003 at 03:06:29PM +0300, Denis N. Peplin wrote:
> > I try to escape blankspace in filenames by using backslash
> > First, i'm test sed expression:
> > $ sed 's/ /\\ /g'
> > long file name
> > long\ file\ name
> >
> > this ok.
> >
> > second, include this sed expression in sh command substitution:
> > $ filename=`echo "long file name" | sed 's/ /\\ /g'` ; echo $filename
> > long file name
> >
> > with csh all ok, but with Bourne not. is this bug or feature?
> > i'm searched in google and only found different instructions about
> > escaping variables by hand...
>
> Escaping inside backticks ` is very tricky. Try this instead:
>
> $ filename=$(echo "long file name" | sed 's/ /\\ /g'); echo $filename
> long\ file\ name
>
> In /bin/sh, $() is the same construct as ``, see man sh(1).
>

Fine, Thank You :)

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